CPB Contractors is the CIMIC Group's construction company and a leading international construction contractor, with operations across Australia, New Zealand and Papua New Guinea. Combining the expertise and track record formerly delivered by Leighton Contractors and Thiess, we deliver projects spanning all key sectors of the construction industry, including roads, rail, tunnelling, defence and building. Our Mission is to generate sustainable returns for our shareholders by delivering projects for our clients, while providing safe, rewarding and fulfilling careers for our people. We need people who are talented, motivated and disciplined, and who have a strong work ethic that drives them to succeed. The Project NEWest Alliance is a multidisciplinary collaboration between CPB Contractors and Downer, working with the Public Transport Authority to deliver two projects (Yanchep Rail Extension and Thornlie-Cockburn Link) as part of METRONET. Across two projects (Yanchep Rail Extension and Thornlie-Cockburn Link), the Alliance will add 32 kilometers of track to Perth's rail network, 5 new stations and 3 station modifications as well as 14 kilometers of principal shared path. Your Opportunity We are looking for an experienced Assistant Contracts Administrator on a full-time basis based at Butler site. As the Assistant Contracts Administrator, you will effectively manage the procurement and administration of all subcontractor and supplier contracts within prescribed cost limits. In addition, you will ensure integrity across our projects is maintained and enhanced through contract and commercial activities, in conjunction with timely reporting. Our minimum requirements for this role are: Tertiary qualifications in Quantity Surveying or Construction Management. Previous experience working onsite on civil construction projects. Experience in drafting and administration of subcontracts through to final account, including management of payment claims, variations and correspondence. Experienced in month end cost reporting and forecasting. Experienced in influencing external parties to assist in the achievement of team goals. Knowledge of traditional construction and project management methods, procedures and processes, including cost and time control and management, and be proficient in application of word processing, spreadsheets, ERP and cost management software as a minimum. If you are interested in this role and meet the above requirements, please apply. Please note: This role is being sourced through CPB Contractors directly and we will not accept applications via external recruitment agencies.